The fintech company Plaid is holding talks with potential investors about raising money at a valuation of $2 billion or more. The funding round is still in early stages, and a deal with investors has yet to be finalized, according to sources. Plaid, a fintech company whose software is used by Silicon Valley heavyweights like Betterment, Coinbase, and Robinhood, is holding talks with potential investors about raising money that could value the firm at more than $2 billion, according to people familiar with the matter.